﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;

namespace IkeCode.WP7.HQReader.Base.Converters
{
    /// <summary>
    /// Inverse boolean converter class
    /// </summary>
    public class InverseBoolean : IValueConverter
    {
        /// <summary>
        /// Reverse boolean
        /// </summary>
        /// <param name="value">Value</param>
        /// <param name="targetType">Target Type</param>
        /// <param name="parameter">Parameter</param>
        /// <param name="culture">CuntureInfo</param>
        /// <returns>object inversed</returns>
        public object Convert(object value, Type targetType, object parameter,
            System.Globalization.CultureInfo culture)
        {
            if (targetType != typeof(bool))
                throw new InvalidOperationException("The target must be a boolean");

            return !(bool)value;
        }

        /// <summary>
        /// Reverse boolean back
        /// </summary>
        /// <param name="value">Value</param>
        /// <param name="targetType">Target Type</param>
        /// <param name="parameter">Parameter</param>
        /// <param name="culture">CuntureInfo</param>
        /// <returns>object inversed</returns>
        public object ConvertBack(object value, Type targetType, object parameter,
            System.Globalization.CultureInfo culture)
        {
            if (targetType != typeof(bool))
                throw new InvalidOperationException("The target must be a boolean");

            return !(bool)value;
        }
    }
}
